// Copyright 2008 FriendFeed
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.

namespace FriendFeed
{
    using System.Xml;

    internal static class Util
    {
        public static XmlElement ChildElement(XmlElement element, string name)
        {
            XmlNodeList list = element.GetElementsByTagName(name);
            foreach (XmlElement child in list)
            {
                if (child.ParentNode == element)
                {
                    return child;
                }
            }
            return null;
        }

        public static string ChildValue(XmlElement element, string name)
        {
            XmlElement child = ChildElement(element, name);
            return (child == null) ? null : child.InnerText;
        }
    }
}